#4B40E6#4B40E6

#4B40E6 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 50.0% C 0.238 H 276.4°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4B40E6
RGB	rgb(75, 64, 230)
HSL	hsl(244, 77%, 58%)
HSV	hsv(244, 72%, 90%)
CMYK	cmyk(67.4%, 72.2%, 0%, 9.8%)
CIE-LAB	lab(39.37, 53.77, -81.91)
CIE-LCH	lch(39.37, 97.98, 303.28°)
OKLab	oklab(50.04% 0.0264 -0.2367)
OKLCH	oklch(50.04% 0.238 276.4)
XYZ	xyz(19.0133, 10.8741, 75.9445)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B40E6 #DBE640

analogous

#4088E6 #4B40E6 #9E40E6

triadic

#4B40E6 #E64B40 #40E64B

tetradic

#4B40E6 #E64088 #DBE640 #40E69E

square

#4B40E6 #E64088 #DBE640 #40E69E

split-complementary

#4B40E6 #E69E40 #88E640

monochromatic

#1D1498 #271BCE #4B40E6 #7E76ED #B1ACF4

Accessibility & contrast

On white

6.61

#4B40E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4B40E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B40E6

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40E6	#FFFFFF	#000000	##FFFFFF
##4B40E6	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064EB

Deuteranopia (green-blind)

#0055E3

Tritanopia (blue-blind)

#006F8F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b40e6;
/* rgb */ color: rgb(75, 64, 230);
/* oklch */ color: oklch(50.0% 0.238 276.4);

Tailwind

colors: {
  custom: {
    50: '#9177ef',
    500: '#4b40e6',
    950: '#000000',
  },
}

SCSS

$custom: #4b40e6;
$custom-light: #9177ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40e6",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 230
  },
  "hsl": {
    "h": 243.976,
    "s": 76.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.50041,
    "c": 0.23815,
    "h": 276.4
  },
  "luminance": 0.10876
}

Semantic roles & 50–950 ramp

primary

#4B40E6

secondary

#DEE29F

accent

#F334E7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4B40E6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →